feat(M5): P0 契约层 + 审批/应用设置下线

- types/homeworkV2.ts：V2 全量类型契约（五态/枚举/矩阵/版本/通知）
- teacherHomework/studentHomework/notification 三客户端（28 端点）
- §6 审批功能下线：删 ApprovalList/ApprovalSetting/ApprovalFlowEditor，
  types/api/menu/menuRoute/App/mock 同步清理，DROPPED_MOD_IDS={5,6}
- §7 应用设置下线：删 HomeworkSetting/TypeSetBox/UserCheckInput，
  SettingApi 与 dict/contacts 死代码清理，DROPPED_MOD_IDS 扩 {21}
- 新增 V2 组件：TeacherHomeworks（已发布+草稿箱）、ReviewModal（批阅弹窗）、
  AttachmentUpload（附件上传）——尚未挂路由，页面切换随后续阶段

src/App.vue

@@ -4,7 +4,7 @@ import layout from "./components/layout.vue";
 import { useRouter } from "vue-router";
 import config from "@/assets/config/host.config";
 import { baseApi } from "@/api/module/homework";
-import { resolveMenuPage } from "@/utils/menuRoute";
+import { resolveMenuPage, dropDroppedModules } from "@/utils/menuRoute";
 import { Message } from "view-ui-plus";
 
 const router = useRouter();
@@ -19,9 +19,8 @@ const layoutData = reactive({
     isAlone: false,
 });
 
-function roleOfPath(p: string): "teacher" | "student" | "parent" {
+function roleOfPath(p: string): "teacher" | "student" {
     if (p.startsWith("/stu")) return "student";
-    if (p.startsWith("/par")) return "parent";
     return "teacher";
 }
 
@@ -38,8 +37,8 @@ async function initShell() {
         const user: any = await baseApi.getUserInfo().send();
         const { id, name, profilePicture } = user || {};
 
-        // 2. 获取当前用户已授权的模块列表
-        const modList: any[] = await baseApi.getUserMod().send();
+        // 2. 获取当前用户已授权的模块列表（剔除已下线的审批模块，避免死菜单）
+        const modList: any[] = dropDroppedModules(await baseApi.getUserMod().send());
 
         layoutData.userInfo = { id, name: name || "管理员", avatar: profilePicture || "" };
         layoutData.modList = modList || [];